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B-6.4.1 Modeling of Carbon Cycle in a Rural Area

[Contact Person]

Tomoyuki Hakamata
Global Agro-Environment Research Team
National Institute of Agro-Environmental Sciences,
Ministry of Agriculture, Forestry and Fisheries
3-1-1 Kannondai, Tsukuba 305 Japan
Tel & Fax:81-298-38-843l
E-mail: tomo@niaes.affrc.go.jp

Total Budget for FY1996-FY1998

9,005,000 Yen (FY1998 3,008,000 Yen)

Abstract

A carbon cycle model was developed to analyze an organic materials flow and carbon dynamics in a rural area. Organic materials flows were analyzed in Ushiku-lake basin, Toride city, Fukuhara area of Kawagoe city and Satomi village using a database constructed from offilcial statistics and related scientific papers. Soil respiration rates were estimated by a SOC (soil organic carbon) model. The rates were 1.71, 2.81, 1.87 and 3.08 Mg/ha/yr in Ushiku, Toride, Kawagoe and Satomi, respectively. The rates are a little lower than some reported values on organic soils in temperate regions. This method should be valuable for estimating carbon budget in several types of rural area.

[Key Words]

Carbon cycle, Rural area, Soil respiration, Organic material flow, Modeling